@charset "UTF-8";
/*4.混合器*/
/*例1: 无参数的混合器*/
div {
  width: 100px;
  border: 1px solid #f00;
  box-shadow: 10px 10px 5px 5px #f00;
  border-radius: 50%; }

/*例2: 有参数的混合器*/
div {
  border: 3px solid #f00;
  border-radius: 20%; }

h2 {
  border: 1px dashed red;
  border-radius: 25%; }

/*css hack*/
div {
  background: -webkit-linear-gradient(top, #f00, #0ff);
  background: -o-linear-gradient(top, #f00, #0ff);
  background: -moz-linear-gradient(top, #f00, #0ff);
  background: -ms-linear-gradient(top, #f00, #0ff); }
